
The World Health Organization has raised alarm saying it was very likely that polio has already infected people in the Gaza Strip. The development could prove to be a setback for global efforts to eradicate the disease, a WHO spokesperson said Tuesday. Gaza's Health Ministry declared a polio epidemic across the Palestinian enclave late Monday after samples of the virus were found in sewage. It has not announced any human cases. Polio is now endemic only in Pakistan and Afghanistan, but more than 30 countries are still listed as subject...